package com.che.data;


import android.util.Pair;

/**
 * Created by wangduheng26 on 2018/1/25.
 * wangduheng26@gmail.com
 */

public interface MyObserver {
    /**
     * This method is called whenever the observed object is changed. An
     * application calls an <tt>Observable</tt> object's
     * <code>notifyObservers</code> method to have all the object's
     * observers notified of the change.
     *
     * @param   o     the observable object.
     * @param   arg   an argument passed to the <code>notifyObservers</code>
     *                 method.
     */
    void update(MyObservable o,int code,Object arg);
}
